Crab knife



FIG. 1 is a perspective view of a crab knife showing my new design.

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof. 

The ornamental design for the crab knife, as shown. 